[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jul 25 21:29:43 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Fri 25 Jul, 2025

  IPv4 BGP Table (Global) as seen at Guam.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Guam/

Analysis Summary
----------------

BGP routing table entries examined:                             1011657
    Prefixes after maximum aggregation (per Origin AS):          385010
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      489420
    Number of IPv4 prefixes with a valid ROA:                    567109
    Number of IPv4 prefixes with an invalid ROA:                     34
    Number of IPv4 prefixes with no ROA:                         444514
Total ASes present in the Internet Routing Table:                 77180
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           66051
Origin ASes announcing only one prefix:                           26914
Transit ASes present in the Internet Routing Table:               11129
Transit-only ASes present in the Internet Routing Table:            577
Paths with bogon ASNs present in the IPv4 Routing Table:             29
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1121
    Number of instances of unregistered ASNs:                      1154
Number of 32-bit ASNs allocated by the RIRs:                      46918
Number of 32-bit ASNs visible in the Routing Table:               38677
Prefixes from 32-bit ASNs in the Routing Table:                  208840
Number of bogon 32-bit ASNs visible in the Routing Table:            78
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            338
Number of addresses announced to Internet:                   3112327233
    Equivalent to 185 /8s, 130 /16s and 88 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      327943

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274969
    Total APNIC prefixes after maximum aggregation:               78870
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266045
    Unique aggregates announced from the APNIC address blocks:   105460
APNIC Region origin ASes present in the Internet Routing Table:   14818
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4510
APNIC Region transit ASes present in the Internet Routing Table:   2004
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10291
Number of APNIC addresses announced to Internet:              754828608
    Equivalent to 44 /8s, 253 /16s and 197 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-155961
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    294747
    Total ARIN prefixes after maximum aggregation:               132158
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296096
    Unique aggregates announced from the ARIN address blocks:    141456
ARIN Region origin ASes present in the Internet Routing Table:    19249
    ARIN Prefixes per ASN:                                        15.38
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    2000
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5262
Number of ARIN addresses announced to Internet:              1349386240
    Equivalent to 80 /8s, 110 /16s and 0 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  63/8,  64/8,  65/8,  66/8,
                        67/8,  68/8,  69/8,  70/8,  71/8,  72/8,  73/8,
                        74/8,  75/8,  76/8,  96/8,  97/8,  98/8,  99/8,
                       100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
                       131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
                       139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
                       148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
                       159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
                       167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
                       184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
                       207/8, 208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    280617
    Total RIPE prefixes after maximum aggregation:               136369
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279613
    Unique aggregates announced from the RIPE address blocks:    177996
RIPE Region origin ASes present in the Internet Routing Table:    28973
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12035
RIPE Region transit ASes present in the Internet Routing Table:    4018
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12596
Number of RIPE addresses announced to Internet:               732241601
    Equivalent to 43 /8s, 165 /16s and 30 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        53/8,  57/8,  62/8,  77/8,  78/8,  79/8,  80/8,
                        81/8,  82/8,  83/8,  84/8,  85/8,  86/8,  87/8,
                        88/8,  89/8,  90/8,  91/8,  92/8,  93/8,  94/8,
                        95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
                       185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
                       217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  124773
    Total LACNIC prefixes after maximum aggregation:              30077
    LACNIC Deaggregation factor:                                   4.15
Prefixes being announced from the LACNIC address blocks:         121079
    Unique aggregates announced from the LACNIC address blocks:   50262
LACNIC Region origin ASes present in the Internet Routing Table:  11263
    LACNIC Prefixes per ASN:                                      10.75
LACNIC Region origin ASes announcing only one prefix:              2655
LACNIC Region transit ASes present in the Internet Routing Table:  2521
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9228
Number of LACNIC addresses announced to Internet:             170623552
    Equivalent to 10 /8s, 43 /16s and 130 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  35430
    Total AfriNIC prefixes after maximum aggregation:              6789
    AfriNIC Deaggregation factor:                                  5.22
Prefixes being announced from the AfriNIC address blocks:         48486
    Unique aggregates announced from the AfriNIC address blocks:  13967
AfriNIC Region origin ASes present in the Internet Routing Table:  1933
    AfriNIC Prefixes per ASN:                                     25.08
AfriNIC Region origin ASes announcing only one prefix:              682
AfriNIC Region transit ASes present in the Internet Routing Table:  388
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1300
Number of AfriNIC addresses announced to Internet:            105040128
    Equivalent to 6 /8s, 66 /16s and 201 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808       12205       8921     172  CHINAMOBILE-CN China Mobile Communication
  7545        6128        839     609  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4887       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4502        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4379       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3946       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3698       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2953        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2911        864     509  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13674      40976    5280  AMAZON-02, US
   174        5272       8772     864  COGENT-174, US
 11492        4819        319     605  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3340       3013     164  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54766    2474  DNIC-AS-00749, US
396982        3196       3855     432  GOOGLE-CLOUD-PLATFORM, US
 16625        2947       1245    2187  AKAMAI-AS, US
  4155        2876        218    1726  USDA-1, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7594       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3946       3396     140  AKAMAI-ASN1, NL
  9009        3819        363    2135  M247, RO
 12389        3118       2315     870  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2322        164    1690  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1585       1852      14  TE-AS TE-AS, EG

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12312       3260     575  UNINET, MX
 10620        3485        474    1025  Telmex Colombia S.A., CO
 13999        2508        373     684  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1374       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1348        787     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1191        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1187        371      22  Telefonica del Peru S.A.A., PE
 22884        1070         68     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1020        373     162  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1729        660      28  RAYA-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1312       1489     355  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1228        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         832        520      43  Vodafone-, EG
 36914         576         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13674      40976    5280  AMAZON-02, US
  8151       12312       3260     575  UNINET, MX
  9808       12205       8921     172  CHINAMOBILE-CN China Mobile Communication
 12479        7594       1712     148  UNI2-AS, ES
  7545        6128        839     609  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5272       8772     864  COGENT-174, US
  4538        4887       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4819        319     605  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4502        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808       12205        12033  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12312        11737  UNINET, MX
 12479        7594         7446  UNI2-AS, ES
  7545        6128         5519  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4887         4812  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4502         4477  FPT-AS-AP FPT Telecom Company, VN
   174        5272         4408  COGENT-174, US
 45899        4379         4324  VNPT-AS-VN VNPT Corp, VN
 11492        4819         4214  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, US
23.147.225.0/24      Origin:     27392  639-DATACENTERS, US
23.147.225.0/24     Transit:      3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:41      /11:92      /12:299     
/13:580     /14:1215    /15:2168    /16:13907   /17:8471    /18:14300   
/19:25386   /20:45889   /21:53082   /22:113805  /23:105748  /24:625890  
/25:136     /26:111     /27:101     /28:21      /29:71      /30:8       
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6542        7594  UNI2-AS, ES
  8151        6532       12312  UNINET, MX
 11492        3611        4819  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2493        3340  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2344       13674  AMAZON-02, US
 30036        2283        2624  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2196        3485  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2478      2:1590      3:856       4:12        5:4867      6:163    
   7:6         8:1586      9:1        11:172      12:1340     13:465    
  14:2641     15:366      16:286      17:379      18:898      20:579    
  21:4        22:188      23:7754     24:2731     25:2        27:2865   
  29:19       31:3447     32:39       33:1        34:84       35:260    
  36:3863     37:4607     38:10606    39:949      40:248      41:4341   
  42:2013     43:2816     44:380      45:18788    46:5176     47:354    
  49:1925     50:2015     51:587      52:1550     54:323      55:1110   
  56:11       57:279      58:2294     59:1418     60:1199     61:3072   
  62:3006     63:1798     64:5556     65:2158     66:4765     67:3108   
  68:1073     69:3979     70:1041     71:629      72:2857     74:2812   
  75:1513     76:606      77:2776     78:1902     79:1711     80:2240   
  81:2061     82:3200     83:1488     84:1903     85:3485     86:1188   
  87:2400     88:1316     89:4448     90:778      91:8455     92:2770   
  93:2970     94:4205     95:4424     96:1494     97:309      98:954    
  99:692     100:71      101:1462    102:4072    103:32759   104:5244   
 105:1066    106:978     107:2657    108:1270    109:4260    110:2282   
 111:3412    112:2314    113:1903    114:1986    115:2314    116:2154   
 117:2668    118:3019    119:2046    120:2238    121:1411    122:2932   
 123:2523    124:1795    125:2927    126:91      128:1640    129:984    
 130:1322    131:2041    132:776     133:450     134:1594    135:352    
 136:1467    137:1272    138:2835    139:1664    140:1655    141:1522   
 142:1913    143:1935    144:1183    145:565     146:2201    147:2102   
 148:2726    149:2992    150:1304    151:2236    152:2074    153:588    
 154:7825    155:1855    156:3109    157:1945    158:1345    159:2530   
 160:3604    161:1905    162:3894    163:2258    164:1879    165:2388   
 166:1531    167:2019    168:3971    169:788     170:5129    171:1013   
 172:4228    173:3402    174:917     175:1355    176:3758    177:4765   
 178:3968    179:2315    180:2663    181:4120    182:3566    183:2299   
 184:2102    185:21714   186:5236    187:4673    188:4288    189:4382   
 190:9575    191:1504    192:11373   193:9495    194:7928    195:5733   
 196:3304    197:3199    198:6133    199:8629    200:8214    201:6373   
 202:10994   203:10946   204:4647    205:3604    206:4542    207:3557   
 208:4315    209:5141    210:4994    211:2821    212:4610    213:3835   
 214:1021    215:48      216:6790    217:3379    218:1442    219:602    
 220:2151    221:1201    222:995     223:2736   

End of report


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